146 lines
2.6 KiB
C
146 lines
2.6 KiB
C
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//+-------------------------------------------------------------------------
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//
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// Copyright (C) 1997, Microsoft Corporation.
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//
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// File: sitesup.h
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//
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// Contents: Declarations for DFS_SITE lookup support functions.
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//
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// History: 11 Nov 1997 Jharper Created
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//
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//--------------------------------------------------------------------------
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#ifndef __SITESUP_H_
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#define __SITESUP_H_
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//
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// For machine names we associate a list of sites
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//
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typedef struct _DFS_SITE_INFO {
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//
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// Type and size of this record (must be DFS_NTC_SITEINFO)
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//
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NODE_TYPE_CODE NodeTypeCode;
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NODE_BYTE_SIZE NodeByteSize;
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//
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// A list entry for the hash table chain.
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//
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LIST_ENTRY HashChain;
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//
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// Count (for multi-threading)
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// Uses ExInterlockedIncrementLong()/ExInterlockedDecrementLong
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//
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ULONG UseCount;
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//
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// Flags
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//
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ULONG Flags;
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//
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// The server name
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//
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UNICODE_STRING ServerName;
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//
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// Number of SiteNames associated with this server
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//
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ULONG SiteCount;
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//
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// The site names themselves. There are actually N of these
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// where N is stored in SiteCount
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//
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UNICODE_STRING SiteName[1];
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} DFS_SITE_INFO, *PDFS_SITE_INFO;
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#define SITE_INFO_DELETE_PENDING 0x00000001 // DFS_SITE_INFO should be freed
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//
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//
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// Declaration of the hash table. The hash table can be variably
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// sized, with the hash table size being a parameter of the hash
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// function.
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//
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typedef struct _SITE_HASH_TABLE {
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//
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// The type and size of this record (must be DFS_NTC_SITE_HASH)
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//
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NODE_TYPE_CODE NodeTypeCode;
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NODE_BYTE_SIZE NodeByteSize;
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//
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// Mask value for the hash function. The hash table size is
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// assumed to be a power of two; the mask is the size - 1.
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//
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ULONG HashMask;
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//
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// A mutex to protect access to the hash bucket chains
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//
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FAST_MUTEX HashListMutex;
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//
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// An array of list heads for the hash table chains. There
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// are actually N of these where N is the hash table size.
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//
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LIST_ENTRY HashBuckets[1];
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} SITE_HASH_TABLE, *PSITE_HASH_TABLE;
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NTSTATUS
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DfsInitSites(
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IN ULONG cHash
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);
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VOID
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DfsUninitSites(
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VOID
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);
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PDFS_SITE_INFO
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DfsLookupSiteInfo(
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IN PUNICODE_STRING Servername
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);
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VOID
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DfsReleaseSiteInfo(
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IN PDFS_SITE_INFO SiteInfo
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);
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NTSTATUS
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DfsFsctrlCreateSiteInfo(
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IN PIRP Irp,
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IN PVOID InputBuffer,
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IN ULONG InputBufferLength
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);
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NTSTATUS
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DfsFsctrlDeleteSiteInfo(
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IN PIRP Irp,
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IN PVOID InputBuffer,
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IN ULONG InputBufferLength
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);
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#endif // __SITESUP_H_
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